narcolepsy

noun 0.669

narcoleptic

noun 0.591

fatal familial insomnia

noun 0.585

sleeping sickness

noun 0.574

parasomnia

noun 0.569

sleep disorder

noun 0.569

sleepiness

noun 0.563

sleep apnea

noun 0.562

somnambulism

noun 0.560

insomnia

noun 0.556

somnolence

noun 0.543

insomniac

noun 0.539

deep sleep

noun 0.538

hyposensitivity

noun 0.538

hypocretin

noun 0.536

hypocortisolism

noun 0.536

sleepy

noun 0.532

hypoarousal

noun 0.532

somnambulant

noun 0.527

hypoactivity

noun 0.527

lack of sleep

noun 0.527

chronic fatigue syndrome

noun 0.525

cataplexy

noun 0.523

sleepyhead

noun 0.522

morning sleep

noun 0.522

sleeplessness

noun 0.518

hypoactivation

noun 0.517

sleep hygiene

noun 0.509

apnea

noun 0.503

orexin

noun 0.500